Midterm 1 - Quiz 8

18 Questions | Total Attempts: 106

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Midterm Quizzes & Trivia

This quiz is intended to cover your knowledge on the planet Mars.


Questions and Answers
  • 1. 
    The orbit of Mars lies "outside" the orbit or the Earth (ie. further from the Sun).  As a consequence:
    • A. 

      It can only be seen during full daylight.

    • B. 

      It is generally visible during the 2 to 3 hours just after sunset or just before sunrise.

    • C. 

      It is generally visible during the 1 to 2 hours just after sunset or just before sunrise.

    • D. 

      It can only be seen during total solar eclipse.

    • E. 

      None of the above

  • 2. 
    The rotation axis of Mars is tilted at 24 degrees from being at right angles to the plane of its orbit:
    • A. 

      Are similar to seasons on Earth.

    • B. 

      Are much more extreme that seasons on Earth.

    • C. 

      Are almost non-existent (much less seasonal differences than on Earth).

    • D. 

      None of the above

  • 3. 
    Because the rotational period of Mars is 24.6 hours:
    • A. 

      Like Mercury, Mars has a complex version of "tidal locking" to the Sun.

    • B. 

      Like our Moon, Mars has a complex version of "tidal locking" to the Earth.

    • C. 

      Its daytime and nighttime are almost the same as those on Earth.

    • D. 

      All of the above

    • E. 

      None of the above

  • 4. 
    The rotational period of Mars was deduced by:
    • A. 

      Watching patterns in the cloud layers of Mars.

    • B. 

      Watching patterns in the surface of Mars.

    • C. 

      Watching the seasonal variations of the polar ice caps.

    • D. 

      Using "Doppler broadening" of radar echoes from the surface.

    • E. 

      None of the above

  • 5. 
    The highest temperatures (at Mars' equator) are:
    • A. 

      Almost as warm as a healthy human.

    • B. 

      About the temperature of boiling water on Earth.

    • C. 

      About the temperature of melting lead on Earth.

    • D. 

      About the temperature of melting iron on Earth.

    • E. 

      None of the above

  • 6. 
    Unlike Earth's atmosphere with water droplet clouds, Mars' clouds include IN ADDITION:
    • A. 

      Dry ice

    • B. 

      Sulfuric acid droplets

    • C. 

      Ozone droplets

    • D. 

      All of the above

    • E. 

      None of the above

  • 7. 
    Surface details on Mars are mainly observed using:
    • A. 

      Satellites with orbits below the cloud layers.

    • B. 

      Radar "images" from Earth and the Magellan space craft.

    • C. 

      From Russian "landers" that reached the surface of Mars.

    • D. 

      All of the above

    • E. 

      None of the above

  • 8. 
    The surface details of Mars show:
    • A. 

      Very different "northern" hemisphere vs "southern" hemisphere

    • B. 

      Lower, smoother, volcanic planes in the north.

    • C. 

      Higher, heavily cratered, southern highlands.

    • D. 

      All of the above

    • E. 

      None of the above

  • 9. 
    The largest volcano on Mars is named:
    • A. 

      Gula Mons

    • B. 

      Tharsis bulge

    • C. 

      Aine corona

    • D. 

      Olympus Mons

    • E. 

      None of the above

  • 10. 
    The Tharsis bulge is about the size of:
    • A. 

      Rhode Island

    • B. 

      Lake Superior

    • C. 

      Texas

    • D. 

      North America

    • E. 

      Asia

  • 11. 
    Olympus Mons is about the size of:
    • A. 

      Rhode Island

    • B. 

      Lake Superior

    • C. 

      Texas

    • D. 

      North America

    • E. 

      Asia

  • 12. 
    Mars volcanoes rise to great heights (mainly) because:
    • A. 

      "focused" plate tectonics.

    • B. 

      Thicker magma on Mars.

    • C. 

      Reduced gravity on Mars.

    • D. 

      All of the above

    • E. 

      None of the above

  • 13. 
    Mars' gigantic "grand canyon" is named:
    • A. 

      Chryse Planitia

    • B. 

      Valles Marineris

    • C. 

      Aphrodite Terra

    • D. 

      Hellas Basin

    • E. 

      None of the above

  • 14. 
    (Sugesstive) evidence for ongoing volcanism on Mars includes:
    • A. 

      Short term variations in the levels of sulfur dioxide in the atmosphere

    • B. 

      Bursts of radio signals (from the surface) similar to lightning that occurs in the plumes of erupting volcanoes on Earth.

    • C. 

      All of the above

    • D. 

      None of the above

  • 15. 
    It is suggested that the (observed) surface temperatures on Mars are primarily the result of:
    • A. 

      Being further to the Sun than the Earth.

    • B. 

      Failed greenhouse effect

    • C. 

      Highly reflective clouds from extensive and active volcanoes

    • D. 

      Remnants of planet formation

  • 16. 
    The Hellas Basin (or Hellas Planitia) is thought to be:
    • A. 

      A gigantic sink hole.

    • B. 

      A gigantic impact crater (like the "basins" on Mercury and the Moon).

    • C. 

      The bed(bottom) of an ancient lake.

    • D. 

      An erosion feature from recurrent cyclones.

    • E. 

      None of the above

  • 17. 
    The "age" of the Tharsis bulge (2-3 billion years) and the Hellas Basin (about 4 billion years) are different based on:
    • A. 

      Fossil remains at the two sites.

    • B. 

      Number counts of river erosion channels in each.

    • C. 

      Density of crater impacts in each.

    • D. 

      All of the above

    • E. 

      None of the above

  • 18. 
    The Valles Marineris is different from the Earth's Grand Canyon in:
    • A. 

      Not being primarily the result of water erosion.

    • B. 

      Resulting from crustal forces that caused the surface to split and crack.

    • C. 

      Being on the size scale of an entire continent on Earth.

    • D. 

      All of the above

    • E. 

      None of the above